Features: Lossless voice recorders, professional noise reductions voice controlled long distanced recorders, professional sound quality,1.44" color display. 3072 Highly bit rate, auto gain, omnidirectional microphones. One button key recording, remote recording, voice-activated recording, long time recording. Self-contained power outage protections, encrypted recording, enjoy lossless sound quality. Small size, lightweight, build-in 500mah battery, long working time. Specifications: Material: ABS Length: about 10cm/3.94inch Recording Mode: Double Formats Recording Recording time: 50minutes Display: 1.44 color scree Transfer interface: USB Battery: 500mAh Capacity: 8GB Package Includes: 1x Digital Voice Recording Pen note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.